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Plate-type double-cable foundation structure of transmission tower

A transmission pole tower-type, basic structure technology, applied in the direction of basic structure engineering, construction, etc., can solve the problems of difficult process and dimension inspection, difficult construction, etc., and achieve high safety and reliability, reduce excavation depth, and simple construction.

Inactive Publication Date: 2015-03-04
甘肃省电力公司电力经济技术研究院 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Explosive expansion pile foundation construction is more difficult, and there are certain difficulties in process and dimension inspection

Method used

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  • Plate-type double-cable foundation structure of transmission tower
  • Plate-type double-cable foundation structure of transmission tower

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Embodiment Construction

[0014] Such as Figure 1-2 As shown, the transmission pole tower-type double-cable foundation structure described in the embodiment of the present invention includes an upper slab 1 laid on the ground surface and two lower slabs 2 buried underground, between the upper slab 1 and each lower slab 2 Respectively connected by a steel strand rope 3, the lengths of the two steel strand ropes 3 are equal, and each steel strand rope 3 between the upper plate 1 and the lower plate 2 is provided with a rubber sleeve 4 outside, each The two ends of the rubber sleeve 4 are respectively in contact with the upper plate 1 and a lower plate 2, and the inside of the rubber sleeve 4 is filled with anti-corrosion filler 5; the two ends of the steel strand 3 are respectively provided with an anchor Heads 61, 62, an upper bearing backing plate 71 is provided between the upper anchor head 61 and the upper plate 1, and a lower bearing backing plate 72 is provided between the lower anchor head 62 and...

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PUM

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Abstract

The invention discloses a plate-type double-cable foundation structure of a transmission tower. The plate-type double-cable foundation structure comprises an upper plate which is spread on the surface of the ground and two lower plates which are embedded underground, wherein the upper plate is connected with each lower plate through a steel twisted rope; the lengths of the two steel twisted ropes are the same; a rubber casing pipe is arranged outside each steel twisted rope between the upper plate and the lower plates; two ends of each rubber casing pipe are in contact with the upper plate and each lower plate respectively; and an anti-corrosion filler is filled into the rubber casing pipes. The plate-type double-cable foundation structure has the advantages of exerting physical and mechanical properties of various materials fully and saving investment along with perfect and clear force-transfer boundary condition, safety, high reliability, simplicity and convenience in construction and the like; and compared with a single-cable foundation structure, the double-cable foundation structure has the advantage that when the physical and mechanical property of line foundation soil is poor, and up-pull loads are large, the excavating depth can be reduced. The plate-type double-cable foundation structure is suitable for loess areas with large up-pull force and poor physical and mechanical property of the foundation soil, for example, line foundations of more than 110kV voltage grade.

Description

technical field [0001] The invention relates to a power transmission pole and tower equipment, specifically a foundation fixing structure for a power transmission pole and tower. Background technique [0002] In large-thickness loess areas, the foundations of pole towers mainly adopt "big excavation" foundations, digging and bottom expansion foundations, and explosive expansion pile foundations. "Large excavation" foundation category refers to the foundation buried in the pre-excavated foundation pit and the backfill soil is compacted. It uses the disturbed backfill soil to form an uplift-resistant soil body to maintain the uplift stability of the foundation. Excavated and expanded bottom foundation refers to the foundation that is filled with concrete and steel skeleton in the soil tire excavated by machinery or manually. It maintains the uplift and stability of the foundation with the naturally formed uplift-resistant soil. Explosive expansion pile foundation refers to th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/42E02D27/34
Inventor 雒亿平范雪峰付兵彬杜鸿朱文化邓永婕夏懿徐昊亮杨晶张中丹宋汶秦贾春蓉张军杨昌海余泳田云飞孙志宏魏勇李玉科万小花李麟鹤韩建锋梁魁薛国斌朱海涛卢宏达张琦丁政中马国伟张艳霞陈兆燕
Owner 甘肃省电力公司电力经济技术研究院
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